Table 3. Pain Requiring Nursing Interventions and Unplanned Hospital Admissions

*P < 0.001 (FSB vs.  FNB [odds ratio = 0.3; 95% CI 0.2, 0.6], and FSB vs.  no NB [odds ratio = 0.2; 95% CI 0.1, 0.5]).

†P < 0.001 (FNB vs.  No blocks, odds ratio = 0.2; 95% CI: 0.1, 0.5).

‡P = 0.002 (FSB vs.  No blocks, odds ratio = 0.2; 95% CI: 0.1, 0.6).

§P < 0.001 (more invasive vs.  less invasive, odds ratio = 3.6; 95% CI: 2.0, 6.5).

∥P = 0.004 (more invasive vs.  less invasive, odds ratio = 3.0; 95% CI 1.4, 6.4).

#P = 0.001 (more invasive vs.  less invasive, odds ratio = 9.7; 95% CI 3.1, 30).

FNB = femoral nerve block; FSB = femoral and sciatic nerve block; NB = nerve block; SDRU = step-down recovery unit; SNB = sciatic nerve block; UHA = unplanned hospital admission.